Powder and Bulk Engineering International is a technical publication devoted to readers in the powder and bulk solids market outside North America.

Technical Articles

Working with green agglomerates

When you agglomerate fine materials for size enlargement -- by pelletizing, extruding, or briquetting them, for example -- you need to make decisions about post-process curing treatments. Here are answers to commonly asked questions about handling and drying uncured (that is, "green") agglomerates.

Q: What’s the best way to handle green agglomerates?

A: As usual, there’s no single “best” way. It depends on the type of agglomerate -- whether it’s a greenball pellet, moist extrudate, or uncured briquet, for example. But one rule of thumb is to always treat freshly made agglomerates gently. Limit the height of transfer drops, avoid narrow chute squeeze points and, above all, never store green agglomerates in enclosed silos or hoppers.

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